How To Install A New Window In A Concrete Wall

Replace any damaged areas before installing windows.

How to install a new window in a concrete wall.

Some preparations to the window opening can make the job much easier and leave the window prepared for interior and exterior finishing. Install a new window that fits the space and caulk around the frame to waterproof it. How to install a window in a concrete wall. Windows are installed in cinder blocks in much the same way as they are installed in wood framed walls but they need to be held in place with concrete.

In a concrete wall without wood framing install the window framework by fastening it into the concrete wall with self tapping concrete screws. For a block wall installation fasten with rust resistant screws using a toe nail method through the jambs into the head and sill boards at each corner. Install window in the flashed opening and leave adequate space all around the window for insulation. Center the new window in the opening supporting it with wood blocks and shims placed below the horizontal jambs.

Fill that space with low expansion polyurethane spray foam. Then make a custom frame and push the window in place. Now that the window is out of the wall check the window jamb and the window stop for structural damage. If you need to install a new window in a concrete wall cut a hole that s large enough to hold your new window.

Enlarging a basement window or putting a new window where there were only cinder blocks can bring natural light into a formerly dingy basement and transform it into a pleasant living area.